3305144 has 8 divisors (see below), whose sum is σ = 6197160. Its totient is φ = 1652568.

The previous prime is 3305119. The next prime is 3305147. The reversal of 3305144 is 4415033.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206564 + ... + 206579.

It is an arithmetic number, because the mean of its divisors is an integer number (774645).

Almost surely, 2^3305144 is an apocalyptic number.

It is an amenable number.

3305144 is a deficient number, since it is larger than the sum of its proper divisors (2892016).

3305144 is a wasteful number, since it uses less digits than its factorization.

3305144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413149 (or 413145 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3305144 is about 1818.0055005417. The cubic root of 3305144 is about 148.9578728704.

Subtracting from 3305144 its sum of digits (20), we obtain a square (3305124 = 1818²).

The spelling of 3305144 in words is "three million, three hundred five thousand, one hundred forty-four".